<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>参数列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8"
          ><el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList()"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList()"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column
          type="index"
          label="编号"
          width="50"
          class="index"
        ></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格" width="100">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="90">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="190">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}</template
          >
        </el-table-column>

        <el-table-column label="操作" width="190">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit"
              >编辑</el-button
            >
            <el-button
              type="danger"
              size="mini"
              icon="el-icon-delete"
              @click="removeCateById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <!-- 
        @size-change="handleSizeChange":监听pagesize改变的事件
        @current-change="handleCurrentChange"：监听页码值改变的事件
        :current-page="queryInfo.pagenum"://当前的页数
        layout:用来指定页面上显示哪些元素
       -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 30, 50, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      goodsList: [], //商品列表信息
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      total: 0, //总数据条数
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败!");
      }
      this.goodsList = res.data.goods;
      this.total = res.data.total;
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    //删除商品
    async removeCateById(id) {
      //弹窗询问用户是否删除数据
      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      if (confirmResult !== "confirm") {
        this.$message.info("已取消删除");
        return;
      }
      const { data: res } = await this.$http.delete("goods/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("删除失败!");
      }
       this.$message.success("删除成功!");
      this.getGoodsList();
    },
    //添加商品跳转
    goAddpage(){
      this.$router.push('/cate/add')
    }
  },
};
</script>
<style lang="less" scoped>
.el-table {
  margin-top: 20px;
}
</style>